Sewing machine



FIG. 1 is a front perspective view of a sewing machine or similararticle showing our new design,

FIG. 2 is a rear elevational view,

FIG. 3 is a front elevational view,

FIG. 4 is a left, side elevational view,

FIG. 5 is a right side elevational view, and

FIG. 6 is a top plan view.

The ornamental design for a sewing machine, substantially as shown.